They participated in religious festivals, acted in the plays which were part of them, and participated in other religious rituals and sacrifices and offerings, at temples and religious sporting festivals helding in honour of the gods.
Most Athenians were believers in Greek Mythology. Athenians in particular dedicated the Parthenon to Pallas Athene.
They practice Islam religion.
In ancient Athens, the belief in the twelve Olympian gods was central to their religion and culture. Athenians worshipped deities like Zeus, Athena, and Apollo, among others, each representing various aspects of life and nature. However, modern Athenians, like most contemporary Greeks, may not adhere to these ancient beliefs, as Greece is predominantly Christian today. While some may still honor the ancient gods in a cultural or historical context, the majority do not actively practice this ancient polytheistic religion.
The religion that does not practice circumcision is Jainism.
Buddhism is the religion. Buddhist practice Buddhism.
They practice Roman Catholic religion
democracy
It is entirely up to you, how seriously you wish to practice your religion.
The religion that includes the practice of godparents is Christianity.
they practice the religion of pakarah, a ancient religion that revolves around the sun as the centerpiece of life.
I guess you ment " what religion do hindu's practice?" If so, it is Hinduism.
Europeans mostly study (practice) the catholic religion.